Oval tapering blunt cannula proximal portion



FIG. 1 is an upper perspective view our new, original and ornamental design;

FIG. 2 is a lower perspective view thereof;

FIG. 3 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 4 is a right side elevational view thereof, the left side elevational view being a mirror image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The structure shown in phantom is for illustrative purposes only and forms no part of the claimed design. The portions of the design shown in dashed lines form no part of the claimed design. 

The ornamental design for an oval tapering blunt cannula proximal portion, as shown and described. 